Type, Collection date, Reported location, State, County, Latitude, Longitude, Location resolution, Location error, Well depth, Temperature, pH, Boron (B), Calcium (Ca), Chloride (Cl), Fluoride (F), Alkalinity as bicarbonate (HCO3), Potassium (K), Lithium (Li), Magnesium (Mg), Total nitrogen (N total), Sodium (Na), Total phosphorus (P total), Silica (SiO2), Sulfate (SO4), Cations, Anions, Reported total dissolved solids, Salinity, Charge balance, Isotopic composition of hydrogen (δ2H), Isotopic composition of oxygen in water (δ18O H2O), Isotopic composition of carbon (δ13C), Author comment.